c#控制台计算器代码

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1、usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystcm.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;namespaceCaculator(publicpartialclassForm1:Form{publicstringokl;publicintOperationType;publicdoubleokll,okl2;public

2、Form1(){lnitializeComponent();privatevoidbutton1_Click(objectsender,EventArgse)〃退格(Jif(textBoxl.Text==

3、

4、textBoxl.Text==H0H){textBoxl.Text=tM,;1else{okll=Convert.ToDouble(textBox1.Text);okl=Convert.ToString((okll-okll%10)/10);textBoxl.Text=okl;)privatevoidbutton2_Click(objcctsender,E

5、ventArgsc)〃淸空按钮{一okl=,n,;textBoxI.Text=M0M；tcxtBoxl.Focus();1privatevoidbutton9_Click(objectsender,EventArgse)〃1按令H{if(textBoxl.Text==H0H)1okl二T;textBox1.Text=Convert.ToString(okI);}else{okl=okl+”1”；okl2=Convert.ToDoublc(ok1);textBoxl.Text=okl;)privatevoidbutton10_Click(objectsender

6、,EventArgse)//2if(textBoxl.Text==H0H){okl=n2H;tcxtBoxl.Tcxt=Convcrt.ToString(ok1);1else{okl=okl+M2n;okl2=Convert.ToDouble(ok1);lexlBoxl.Text=okl;)}privatevoidbutton1l_Click(objectsender,EventArgse)〃3fJif(tcxtBoxl.Tcxt==H0H)1okl=0;textBoxl.Text=Convert.ToString(ok1);}else{okl=okl+”3”

7、;okl2=Convert.ToDoublc(ok1);textBox1.Text=okl;}}privatevoidbutton6_Click(objectsender,EventArgse)//4Iif(textBox1.Text=©){okl=H4H;textBoxl.Text=Convert.ToString(ok1);}else1okl=okl+”4”;ok!2=Convert.ToDouble(okl);tcxtBoxl.Tcxt=okl;1}privatevoidbutton5_Click(objcctsender,EventArgsc)//5(

8、if(textBoxl.Text==H0H){okl=H5H;textBoxl.Text=Convert.ToString(ok1);1elseokl=okl+”5”;okl2=Convert.ToDouble(ok1);textBoxl.Text=ok1;privatevoidbutton8_Click(objcctsender,EventArgsc)//6{一if(textBoxl.Text==H0H){okl=H6M;textBoxI.Text=Convert.ToString(ok1);}else{okl=okl+”6”;okl2=Converl.To

9、Double(ok1);textBoxl.Text=okl;1}privatevoidbutton3_Click(objectsender,EventArgse)//7IJif(textBoxl.Text==n0H){okl=n7M;textBoxl.Text=Convcrt

10、l.Text==H0H)1okl=H8